Your question doesn't make much sense. Did you mean "Who is James Potter?"
James Potter is Harry Potter's father. Harry was also named after his father as his full names is Harry James Potter. James Potter was also one of The Marauders (as in the Marauder's Map - "Messrs. Moony (Remus Lupin), Padfoot (Sirius Black), Wormtail (Peter Pettigrew) and Prongs (James Potter)".
James was also Seeker for The Gryffindor Quidditch team while he attended Hogwarts and became Head Boy during his seventh year. James later married Lily Evans and became the father of Harry Potter. He sacrificed himself by fighting against Voldemort (without a wand as well) to protect Lily and Harry from being killed.
Harry Potter's father, James Potter, fathers name is unknown. James Sirius Potter is Harry's son.
Harry Potter's father is James Potter and Arthur Weasley is his father-in-law. He was raised by his mothers sister and her husband, Petunia and Vernon and Aunt Petunia Dursley His godfather was Sirius Black.
James Potter was married to Lily Evans.
Harry Potter has 2 sons; James Sirius Potter and Albus Severus Potter
Harry James Potter.The actor that plays Harry Potter is called Daniel Radcliffe.
Harry Potter.
Yes, after his father James Potter.
It is animagus, and James Potter's is a stag (male deer).
James Potter was murdered first.
James Wright - potter - died in 1887.
James Wright - potter - was born in 1819.
Lily Evans and James Potter. I'm obsessed with the series. :)